The contents of the 2025–2026 Math League Preliminary Round Study Materials for Grades 8–9 include:
- Real Questions (11 sets): Includes real questions, answers, and solutions from the Preliminary Round for Grades 8-9 students, covering the years 2013 to 2023 (11 sets total).
- Explanation of Real Questions (5 sets): Video explanations of solution strategies for the Preliminary Round questions for Grades 8-9 students from 2017 to 2021. The videos, recorded by professors from the Math League Organizing Committee, can be played in a loop.
- Validity: 3 months from activation